Related Clues:

• Radiator, for short
• "Right on!"
• Excellent, slangily
• "Far out, dude!"
• ''Far out, dude!''
• 'Dope'
• Kin of "awesome!"
• "Outstanding!"
• Radical, slangily
• "Neato!"
• Cool, retro-style
• Impressive, to surfers
• Supercool
• Bitchin'
• 'So cool!'